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ID = 21226
Brand: Elesta AG, Bad Ragaz
Tube type:  Voltage Regulator, single 
Identical to ES1
Similar Tubes
Other characteristic (electr. data):
First year 1952 Tube leaflet collection E.Erb Analysis by original leaflets

Base Noval, 9 pin miniature (USA pico-9) B9A

1 Glimmstrecke, max. Zündspannung 130 V, Brennspannung 85...90 V, I ca. 15...40 mA, Ri ca. 140 Ohm

Information source Schweizer Elektronenröhren 1917-2003, Willi E.   Seite 143
Röhren-Taschen-Tabelle, (Franzis RTT)   

no86_g.gif ES1: RTT Schwandt
Günther Stabe † 19.8.20

Just Qvigstad

Collection of



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